Gagea is a large genus of spring in the Liliaceae.Salisbury, Richard Anthony. 1806" Annals of Botany 2: 555 It is found primarily in Eurasia with a few species extending into North Africa and one species ( Gagea serotina) in North America.Tison, J.M. (2009). An update of the genus Gagea Salisb. (Liliaceae) in the Iberian peninsula. Lagascalia 29: 7-22 Altervista Flora Italiana, genere Gagea Flora of China Vol. 24 Page 117 顶冰花属 ding bing hua shu Gagea Salisbury, Ann. Bot. (Oxford). 2: 555. 1806. Flora of China, Vol. 24 Page 121 洼瓣花属 wa ban hua shu Lloydia Reichenbach, Fl. Germ. Excurs. 102. 1830.
The genus is named after the England naturalist Sir Thomas Gage (1781–1820). They were originally described as species of Ornithogalum, which, together with the usual yellow colour of the flowers, explains the English language name yellow star-of-Bethlehem for the common European species, Gagea lutea.
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